Gardai have seized weapons during a search in Clondalkin.
A machine gun, a hand gun and 70 rounds of ammunition were found during the raid at the back of a house on Riverdale Crescent on Wednesday evening.
The search was part of an ongoing operation by Gardaí into the sale and supply of controlled drugs in the area.
No arrests have been made and according to the Irish Independent the property is occupied by an innocent family.
Gardaí say the investigation is ongoing.
